reactionary

n. 反动者,反动主义者
a. 反动的,反动主义的,反对改革的

He's lining up with the most reactionary people in his party.

他在同自己党内最反动的人物结成同盟。

The reactionary classes never give up power voluntarily.

反动阶级从来不会自动放弃政权。